A novel magnetic harmonic gear

J Rens, K Atallah, SD Calverley… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
Magnetic gears offer several advantages compared to mechanical gears in terms of reduced
maintenance, improved reliability, and inherent overload protection while having a high …

Design and operation of a magnetic continuously variable transmission

K Atallah, J Wang, SD Calverley… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
This paper describes a magnetic power split device integrated with a brushless permanent-magnet
machine, which acts as a magnetic continuously variable transmission. It employs an …

High-performance magnetic gears

K Atallah, SD Calverley, D Howe - Journal of Magnetism and Magnetic …, 2004 - Elsevier
Magnetic gearing may offer significant advantages such as reduced maintenance and improved
reliability, inherent overload protection, and physical isolation between input and output …

Design, analysis and realization of a novel magnetic harmonic gear

J Rens, R Clark, S Calverley, K Atallah… - … on electrical machines, 2008 - ieeexplore.ieee.org
High performance magnetic gears are competitive with mechanical gears in terms of their
torque transmission capability, and they offer significant operational benefits. Various …

A new PM machine topology for low-speed, high-torque drives

K Atallah, S Calverley, R Clark, J Rens… - … on Electrical Machines, 2008 - ieeexplore.ieee.org
The paper describes a completely new topology for a low-speed, high-torque permanent
brushless magnet machine. Despite being naturally air-cooled, it has a significantly higher …

Dual rotor magnetically geared power split device for hybrid electric vehicles

P Chmelicek, SD Calverley… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper presents a theoretical and experimental investigation into a dual rotor magnetically
geared power split device for hybrid electric drivetrains. It is shown that the modulation of …

Prediction and measurement of core losses in a high-speed switched-reluctance machine

SD Calverley, GW Jewell… - IEEE transactions on …, 2005 - ieeexplore.ieee.org
We describe a procedure for calculating the core loss in high-speed switched-reluctance
machines. The technique calculates core losses within a switched-reluctance machine to a …

Design of a high speed switched reluctance machine for automotive turbo-generator applications

SD Calverley, GW Jewell, RJ Saunders - SAE transactions, 1999 - JSTOR
The efficient generation of relatively large quantities of electrical energy in vehicles is
becoming an increasingly important issue, as a result of the increasing demands of ancillary …

Iron loss in a modular rotor switched reluctance machine for the" More-Electric" aero-engine

DJ Powell, GW Jewell, SD Calverley… - IEEE transactions on …, 2005 - ieeexplore.ieee.org
This paper investigates the iron loss that results in a novel topology of switched reluctance (SR)
machine which has been developed for application as a starter/generator within the high …

Switched reluctance turbo-generator for exhaust gas energy recovery

M Michon, SD Calverley, RE Clark… - … and Motion Control …, 2006 - ieeexplore.ieee.org
The paper describes a comparative study of low voltage and high voltage SR machines for
use in an automotive turbo-generator exhaust gas energy recovery system. Their relative …